2019-2020
骞翠腑鑰冩暟瀛︿笓棰樺涔犳ā鎷熸紨缁冪浉浼间笁瑙掑舰
涓�銆侀�夋嫨棰?/p>
1.
涓嬪垪璇存硶涓嶆纭殑鏄紙
锛?/p>
A.
鍦ㄥ钩绉诲彉鎹腑锛屽浘褰腑鐨勬瘡涓�涓偣閮芥部鍚屼竴鏂瑰悜绉诲姩浜嗙浉鍚岀殑璺濈
B.
鍦ㄦ棆杞彉鎹腑锛屽浘褰腑鐨勬瘡涓�鐐归兘缁曟棆杞腑蹇冩棆杞簡鐩稿悓鐨勮搴?/p>
C.
鍦ㄧ浉浼煎彉鎹腑锛屽浘褰腑鐨勬瘡涓�涓閮芥墿澶э紙鎴栫缉灏忥級鐩稿悓鐨勫�嶆暟
D.
鍦ㄧ浉浼煎彉鎹腑锛屽浘褰腑鐨勬瘡涓�鏉＄嚎娈甸兘鎵╁ぇ锛堟垨缂╁皬锛夌浉鍚岀殑鍊嶆暟
銆愮瓟妗堛�?/p>
C
2.
濡傚浘锛?/p>
鍦ㄢ柍
ABC
涓紝
D
锛?/p>
E
鍒嗗埆鏄?/p>
AB
锛?/p>
AC
杈逛笂鐨勪腑鐐癸紝
杩炴帴
DE
锛?/p>
閭ｄ箞鈻?/p>
ADE
涓庘柍
ABC
鐨勯潰绉箣姣旀槸
锛?/p>
锛?/p>
A.
1
锛?/p>
16
B.
1
锛?/p>
9
C.
1
锛?/p>
4
D.
1
锛?/p>
2
銆愮瓟妗堛�?/p>
C
3.
濡傚浘锛?/p>
A
銆?/p>
B
涓ょ偣鍒嗗埆浣嶄簬涓�涓睜濉樼殑涓ょ锛屼负浜嗘祴閲?/p>
A
銆?/p>
B
涔嬮棿鐨勮窛绂伙紝灏忓ぉ鎯充簡涓�涓姙娉曪細鍦ㄥ湴涓婂彇
涓�鐐?/p>
C
锛屼娇瀹冨彲浠ョ洿鎺ュ埌杈?/p>
A
锕?/p>
B
涓ょ偣锛岃繛鎺?/p>
AC
銆?/p>
BC
锛屽湪
AC
涓婂彇涓�鐐?/p>
M
锛屼娇
AM=3MC
锛屼綔
MN
鈭?/p>
AB
浜?/p>
BC
浜庣偣
N
锛屾祴寰?/p>
MN=38m
锛屽垯
A
銆?/p>
B
涓ょ偣闂寸殑璺濈涓猴紙
锛?/p>
A.
76m
B.
95m
C.
114m
D.
152m